diff --git a/gtk2_ardour/loudness_dialog.cc b/gtk2_ardour/loudness_dialog.cc
index 563ee224eb..dc5258037a 100644
--- a/gtk2_ardour/loudness_dialog.cc
+++ b/gtk2_ardour/loudness_dialog.cc
@@ -624,11 +624,11 @@ LoudnessDialog::apply_preset ()
 void
 LoudnessDialog::update_sensitivity ()
 {
-	_dbfs_spinbutton.set_sensitive (_dbfs_btn.get_active () && _dbfs_btn.sensitive ());
-	_dbtp_spinbutton.set_sensitive (_dbtp_btn.get_active () && _dbtp_btn.sensitive ());
-	_lufs_i_spinbutton.set_sensitive (_lufs_i_btn.get_active () && _dbtp_btn.sensitive ());
-	_lufs_s_spinbutton.set_sensitive (_lufs_s_btn.get_active () && _lufs_s_btn.sensitive ());
-	_lufs_m_spinbutton.set_sensitive (_lufs_m_btn.get_active () && _lufs_m_btn.sensitive ());
+	_dbfs_spinbutton.set_sensitive (_dbfs_btn.get_active () && _dbfs_btn.is_sensitive ());
+	_dbtp_spinbutton.set_sensitive (_dbtp_btn.get_active () && _dbtp_btn.is_sensitive ());
+	_lufs_i_spinbutton.set_sensitive (_lufs_i_btn.get_active () && _dbtp_btn.is_sensitive ());
+	_lufs_s_spinbutton.set_sensitive (_lufs_s_btn.get_active () && _lufs_s_btn.is_sensitive ());
+	_lufs_m_spinbutton.set_sensitive (_lufs_m_btn.get_active () && _lufs_m_btn.is_sensitive ());
 }
 
 void
@@ -742,19 +742,19 @@ LoudnessDialog::calculate_gain ()
     set = true;                          \
   }
 
-	if (_dbfs_btn.get_active () && _dbfs_btn.sensitive ()) {
+	if (_dbfs_btn.get_active () && _dbfs_btn.is_sensitive ()) {
 		MIN_IF_SET (dbfs, _dbfs);
 	}
-	if (_dbtp_btn.get_active () && _dbtp_btn.sensitive ()) {
+	if (_dbtp_btn.get_active () && _dbtp_btn.is_sensitive ()) {
 		MIN_IF_SET (dbtp, _dbtp);
 	}
-	if (_lufs_i_btn.get_active () && _lufs_i_btn.sensitive ()) {
+	if (_lufs_i_btn.get_active () && _lufs_i_btn.is_sensitive ()) {
 		MIN_IF_SET (lufs_i, _lufs_i);
 	}
-	if (_lufs_s_btn.get_active () && _lufs_s_btn.sensitive ()) {
+	if (_lufs_s_btn.get_active () && _lufs_s_btn.is_sensitive ()) {
 		MIN_IF_SET (lufs_s, _lufs_s);
 	}
-	if (_lufs_m_btn.get_active () && _lufs_m_btn.sensitive ()) {
+	if (_lufs_m_btn.get_active () && _lufs_m_btn.is_sensitive ()) {
 		MIN_IF_SET (lufs_m, _lufs_m);
 	}
 
diff --git a/gtk2_ardour/session_dialog.cc b/gtk2_ardour/session_dialog.cc
index 29182add85..9d5eb7c6f4 100644
--- a/gtk2_ardour/session_dialog.cc
+++ b/gtk2_ardour/session_dialog.cc
@@ -251,7 +251,7 @@ SessionDialog::master_channel_count ()
 bool
 SessionDialog::use_session_template () const
 {
-	if (!back_button->sensitive () && !new_only) {
+	if (!back_button->is_sensitive () && !new_only) {
 		/* open session -- not create a new one */
 		return false;
 	}
diff --git a/libs/widgets/ardour_knob.cc b/libs/widgets/ardour_knob.cc
index b737f3b453..bffb42d64b 100644
--- a/libs/widgets/ardour_knob.cc
+++ b/libs/widgets/ardour_knob.cc
@@ -260,7 +260,7 @@ ArdourKnob::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*
 	cairo_stroke (cr);
 
 	// a transparent overlay to indicate insensitivity
-	if (!sensitive ()) {
+	if (!get_sensitive ()) {
 		cairo_arc (cr, 0, 0, center_radius, 0, 2.0*G_PI);
 		uint32_t ins_color = UIConfigurationBase::instance().color ("gtk_background");
 		Gtkmm2ext::set_source_rgb_a (cr, ins_color, 0.6);